Asarum is used as a whole herb, also known as Asarum, Asarum Tohoku, which is an authentic medicinal material in my area and has functions such as analgesia, sedation, sweating, and expectorant.
1. Land preparation Artificial cultivation of Asarum should choose sparse woodlands or bushes. When cultivated on flat land, it is best to choose fertile farmland sandy loam. The depth of plowing is about 20 centimeters. After removing the roots and grass roots, the pounding is done meticulously and the prying depth is 1-1.2 meters. However, the basal fertilizer should be applied before plowing, and 1,000 kilograms of high-quality fertilizer is applied per acre, and the length is generally 10-20 meters.
2, sowing (1) seed breeding. Usually in mid-June, when the fruit matures with the harvest. Line spacing 10 cm, there are also 10 cm x 5 = 50 cm line spacing pods, 5-6 per hole, cover soil 1-2 cm. The grass surface is re-covered to keep the wet conditions. When the soil is dry, it should be irrigated before sowing.
(2) Reproduction of stems. Although the spring, summer and autumn seasons are all available, experience suggests that excavation of wild Asarum is preferred for planting at the beginning of June-August in summer and unearthed in late spring. The survival rate is above 85%, and the length of rhizome is about 2-3 cm. should. In general, there must be two sections in each section, and there must be buds on the section. The plant spacing is 10-15 cm when planting. Two holes per hole, 5-6 cm soil cover, to be irrigated when planted, must be kept moist after planting.
3, field management (1) clear forest or shade. Remove the shading of the shrubs, so that the canopy can be maintained at 0.3-0.5 meters. Flat cultivation of natural non-negative species, to shady scaffolding.
(2) Loose soil weeding. Each year, 2-4 times of loose soil weeding should be done. Take care not to damage the rhizomes when loosening the soil, and you must raise the soil to the roots to prevent the roots and spores from being exposed on the ground.
(3) Top dressing and irrigation drainage. Asarum is a hilarious medicinal plant. Before planting basal fertilization, it should also timely chase nitrogen and phosphorus fertilizers to accelerate the growth and development of Asarum.
(4) Seed production. Asarum seeds ripen in mid-June and late. When the peels turn from green to white, the flesh is in a silty state. That is, the fruit is pinched, and the fruit is softened a little. It is best to harvest when it is about to crack.
(5) Pest control. The main disease of Asarum is Sclerotinia, and the main pest is the larvae of Asarum. Control methods: Disease can be used in the early spring or late autumn with 200-400 liquid carbendazim perfusion root, around the diseased hole with lime water disinfection, pests with 1000 times liquid trichlorfon spray.
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